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LO4: Analyse and synthesise the performance of modern optical communication systems.

Aim

Gain experience of designing and analysing optical communication systems. Following learning outcomes are to be met in this task.

LO4: Analyse and synthesise the performance of modern optical communication systems.

LO5: Design and critically analyze key components of an optical communication system.

Task

Answer all the questions below and present your answers in a clear and concise technical report. 

You have to design a Radio-over-Fibre System for a four storey hospital building that has 15 rooms per floor. The communication link is to be used for a wide variety of functions including locating physicians, requesting test results, checking patient records of patients and calling for mobile test data.

a)    Show a block diagram of your designed system, justifying your selection of all the components. Clearly define all assumptions

b)    Analyse your system performance using excel sheet to demonstrate that the link budget of the designed system meets the requirements.                                                                                                                                                

c)    Implement the system in Optiwave and analyse its performance.                          

d)    Compare the performance of the designed system with simulation results.           

e)    What is the maximum number of channels that your system can accommodate?

f)     Supplement your answer by demonstrating a solution in Optiwave.

Tip: You might need to redesign your system after implementing it in Optiwave, make sure you document this iterative process.

TOTAL 100 MARKS

Marking Scheme

Please note that the technical report must be done individually. This aspect is not group work, so no collaborative or cooperative work of any kind is allowed. If your answers (wording) are same (or mostly same) as someone else’s work then you and all others involved will fail the assignment and all involved will be reported for plagiarism (see the front cover declaration you signed).

Your work will be evaluated according to the attached marking scheme. Marks given against various sections of the task are an indicative of the weight of the component only. To ensure good marks you should

• Ensure you have addressed what the question asks for
• Ensure an excellent level of English spelling and grammar
• Clear explanations
• Good use of graphs and figures